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导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年05期
Page:
79-82
Column:
研究论文
publishdate:
2010-10-08

Article Info:/Info

Title:
Study on shielding permanence of electromagnetic shielding plywood laminated with conductive sheets
Author(s):
LU Keyang1 FU Feng1* CAI Zhiyong2 FU Yuejin1 ZHANG Yueming1
1.Institute of Wood Industry, Chinese Academy of Forestry,Beijing 100091, China; 2.USDA Forest Products Laboratory, Madison 53726, USA
Keywords:
electromagnetic shielding plywood shielding permanence conductive sheet laminated structure
Classification number :
TS653.3;TU56+4.5
DOI:
10.3969/j.jssn.1000-2006.2010.05.017
Document Code:
A
Abstract:
The shielding permanence of electromagnetic shielding plywood laminated with conductive sheets was studied by measuring and comparing the shear strength and shielding properties in every impregnating stages referring to the shear strength national standards. The results showed that the shear strength of electromagnetic shielding plywood could satisfy the national standards after soaking 3 hours, but the shear strength decreased drastically, lower than the national standards after soaking over 6 hours. However, after soaking 9 hours, the average shielding effectiveness of plywood was above 35 dB, the decreased average shielding effectiveness value was from 2.54 to 9.25 dB, which showed that under the circumstance of strength loss of plywood, the decrease of shielding effectiveness was not obvious, and thus it would still keep certain shielding effect.

References

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Last Update: 2010-10-08